How to Get Big Sur Working on Ivy Bridge CPU?

[muad12]

I remove alcid=3 then add my layout-id
<key>PciRoot(0x0)/Pci(0x1B,0x0)</key>
<dict>
<key>AAPL,slot-name</key>
<string>Internal@0,27,0</string>
<key>device_type</key>
<string>Audio device</string>
<key>model</key>
<string>7 Series/C216 Chipset Family High Definition Audio Controller</string>
<key>layout-id</key>
<integer>3</integer>
</dict>
But audio did not work
mute always selected.and no input/output devices .look bicture

 

[Feartech]

I remove alcid=3 then add my layout-id
<key>PciRoot(0x0)/Pci(0x1B,0x0)</key>
<dict>
<key>AAPL,slot-name</key>
<string>Internal@0,27,0</string>
<key>device_type</key>
<string>Audio device</string>
<key>model</key>
<string>7 Series/C216 Chipset Family High Definition Audio Controller</string>
<key>layout-id</key>
<integer>3</integer>
</dict>
But audio did not work
mute always selected.and no input/output devices .look bicture

reset nvram whenever you make changes to your EFI

try all possible layout's

 

[muad12]

I will try.but no Audio device. look bicture
thanks

 

[Feartech]

I will try.but no Audio device. look bicture
thanks

what is your audio codec?

 

[muad12]

In the bicture

 

[Feartech]

In the bicture

make sure to use the correct PCIRoot address, hackintool may be able to help

also check over:

Fixing audio with AppleALC | OpenCore Post-Install

 

[muad12]

I am sure all of them, but I do not know why it does not work?

 

[muad12]

Is not there any solution?

 

[Feartech]

Is not there any solution?

i am sure there is, since yesterday, what have you done to try and solve this?

 

[muad12]

I tried layout-id=0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,31,30,29,28,27,26,25,24
Did not work
Then I stopped.

mute always selected .I can not change it